Excellent energy storage performances for BaTiO3-based multilayer capacitors through synergistic high-entropy and superparaelectric-relaxor strategy
Dielectric capacitors with high energy storage performances are exceedingly desired for the next-generation advanced high/pulsed power devices that demand miniaturization and integration. However, poor energy-storage density (Urec) and low efficiency (η) resulted from the large remanent polarization...
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| Format: | Article |
| Language: | English |
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Elsevier
2025-01-01
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| Series: | Journal of Materiomics |
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| Online Access: | http://www.sciencedirect.com/science/article/pii/S2352847824000650 |
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| author | Dong Liu Long Wang Xinyi Wang Ting Tang Qi Wang Jin-Rui Li Bo-Ping Zhang Li-Feng Zhu |
| author_facet | Dong Liu Long Wang Xinyi Wang Ting Tang Qi Wang Jin-Rui Li Bo-Ping Zhang Li-Feng Zhu |
| author_sort | Dong Liu |
| collection | DOAJ |
| description | Dielectric capacitors with high energy storage performances are exceedingly desired for the next-generation advanced high/pulsed power devices that demand miniaturization and integration. However, poor energy-storage density (Urec) and low efficiency (η) resulted from the large remanent polarization (Pr) and low breakdown strength (BDS), have been the major challenge for the application of dielectric capacitors. Herein, a high-entropy strategy with superparaelectric relaxor ferroelectrics (SP-RFE) was adopted to achieve extremely low Pr and high BDS in BaTiO3 system, simultaneously. Due to the high BDS ∼800 kV/cm and low Pr ∼0.58 μC/cm2, high-entropy SP-RFE (La0.05Ba0.18Sr0.18K0.115Na0.115Ca0.18Bi0.18)TiO3 (LBSKNCBT) MLCCs exhibited high Urec ∼6.63 J/cm3 and excellent η ∼ 96%. What's more, LBSKNCBT MLCCs with high-entropy and SP-RFE characteristic also possess a good temperature and frequency stability. In a word, this work offers an excellent paradigm for achieving good energy-storage properties of BaTiO3-based dielectric capacitors to meet the demanding requirements of advanced energy storage applications. |
| format | Article |
| id | doaj-art-6bcf4607e077450c81550f5b8b38f33f |
| institution | Kabale University |
| issn | 2352-8478 |
| language | English |
| publishDate | 2025-01-01 |
| publisher | Elsevier |
| record_format | Article |
| series | Journal of Materiomics |
| spelling | doaj-art-6bcf4607e077450c81550f5b8b38f33f2025-01-04T04:56:36ZengElsevierJournal of Materiomics2352-84782025-01-01111100860Excellent energy storage performances for BaTiO3-based multilayer capacitors through synergistic high-entropy and superparaelectric-relaxor strategyDong Liu0Long Wang1Xinyi Wang2Ting Tang3Qi Wang4Jin-Rui Li5Bo-Ping Zhang6Li-Feng Zhu7School of Materials Science and Engineering, University of Science and Technology Beijing, Beijing, 100083, ChinaSchool of Materials Science and Engineering, University of Science and Technology Beijing, Beijing, 100083, ChinaSchool of Materials Science and Engineering, University of Science and Technology Beijing, Beijing, 100083, ChinaSchool of Materials Science and Engineering, University of Science and Technology Beijing, Beijing, 100083, ChinaCorresponding author.; School of Materials Science and Engineering, University of Science and Technology Beijing, Beijing, 100083, ChinaSchool of Materials Science and Engineering, University of Science and Technology Beijing, Beijing, 100083, ChinaCorresponding author.; School of Materials Science and Engineering, University of Science and Technology Beijing, Beijing, 100083, ChinaCorresponding author.; School of Materials Science and Engineering, University of Science and Technology Beijing, Beijing, 100083, ChinaDielectric capacitors with high energy storage performances are exceedingly desired for the next-generation advanced high/pulsed power devices that demand miniaturization and integration. However, poor energy-storage density (Urec) and low efficiency (η) resulted from the large remanent polarization (Pr) and low breakdown strength (BDS), have been the major challenge for the application of dielectric capacitors. Herein, a high-entropy strategy with superparaelectric relaxor ferroelectrics (SP-RFE) was adopted to achieve extremely low Pr and high BDS in BaTiO3 system, simultaneously. Due to the high BDS ∼800 kV/cm and low Pr ∼0.58 μC/cm2, high-entropy SP-RFE (La0.05Ba0.18Sr0.18K0.115Na0.115Ca0.18Bi0.18)TiO3 (LBSKNCBT) MLCCs exhibited high Urec ∼6.63 J/cm3 and excellent η ∼ 96%. What's more, LBSKNCBT MLCCs with high-entropy and SP-RFE characteristic also possess a good temperature and frequency stability. In a word, this work offers an excellent paradigm for achieving good energy-storage properties of BaTiO3-based dielectric capacitors to meet the demanding requirements of advanced energy storage applications.http://www.sciencedirect.com/science/article/pii/S2352847824000650Dielectric capacitorMultilayer capacitorsHigh entropySuperparaelectric relaxor ferroelectric |
| spellingShingle | Dong Liu Long Wang Xinyi Wang Ting Tang Qi Wang Jin-Rui Li Bo-Ping Zhang Li-Feng Zhu Excellent energy storage performances for BaTiO3-based multilayer capacitors through synergistic high-entropy and superparaelectric-relaxor strategy Journal of Materiomics Dielectric capacitor Multilayer capacitors High entropy Superparaelectric relaxor ferroelectric |
| title | Excellent energy storage performances for BaTiO3-based multilayer capacitors through synergistic high-entropy and superparaelectric-relaxor strategy |
| title_full | Excellent energy storage performances for BaTiO3-based multilayer capacitors through synergistic high-entropy and superparaelectric-relaxor strategy |
| title_fullStr | Excellent energy storage performances for BaTiO3-based multilayer capacitors through synergistic high-entropy and superparaelectric-relaxor strategy |
| title_full_unstemmed | Excellent energy storage performances for BaTiO3-based multilayer capacitors through synergistic high-entropy and superparaelectric-relaxor strategy |
| title_short | Excellent energy storage performances for BaTiO3-based multilayer capacitors through synergistic high-entropy and superparaelectric-relaxor strategy |
| title_sort | excellent energy storage performances for batio3 based multilayer capacitors through synergistic high entropy and superparaelectric relaxor strategy |
| topic | Dielectric capacitor Multilayer capacitors High entropy Superparaelectric relaxor ferroelectric |
| url | http://www.sciencedirect.com/science/article/pii/S2352847824000650 |
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